Acquiring data from sensors, transporting the data, and then archiving it for future reference has changed dramatically over the last few years. The...

Briefs: Information Technology
The Dataflow Interchange Format for Designing DSPs

The dataflow interchange format (DIF) is a conceptual framework for helping designers of digital signal-processing (DSP) systems to integrate diverse dataflow models, dataflow techniques, DSP-design software tools, DSP software libraries, and embedded processing platforms. Somewhat more...

Asystem of scientific instrumentation and data-processing equipment has been assembled for research and education in turbulence, mixing, and chemical reactions (especially combustion) in...

Briefs: Electronics & Computers
Variable-Data-Rate Speech Encoder

Avariable-data-rate (VDR) speech encoder has been designed to be interoperable with, and eventually to supplant, the many different voice encoders now used in military communication systems. Because these...

A n apparatus that includes two optical parametric chirped pulse amplification stages has been built as a means of generating few-cycle, common-envelope (CE)-phase-stable,...

Fiber-optic lasers of a proposed type would serve as sources of coherent radiation at frequencies between 0.5 and 4.0 THz and output power levels ≥100 mW. In the original application...

Briefs: Photonics/Optics
Research on Quantum Communication Repeaters

A program of research during the years 2001 through 2006 was devoted to building theoretical and practical foundations for the development of quantum repeaters as means of overcoming losses of photons in long-distance quantum communication systems. The idea underlying this research was to investigate...

Alloys are being developed for nozzles of hypersonic wind tunnels to be used in testing components of future hypersonic missiles, aircraft, and space transportation systems. The nozzle components...

A n experimental study has shown that the AC short-term dielectric breakdown potential of material specimens consisting of polyhedral oligomeric silsesquioxane (POSS) nanoparticles...

Afamily of improved encapsulating materials for protecting underwater acoustic sensors has been invented. These materials could also be used for encapsulation or protective coating of...

Briefs: Materials
Castable, Relatively Stiff Acoustic-Damping Materials

A recently invented family of acoustic-damping materials offers advantages over prior acoustic-damping materials:

Several novel methods of detecting landmines and other buried explosive devices have been proposed and are subjects of continuing research. The use of trained dogs has been shown to be an...

All-dielectric, non-electronic, photonicassisted front ends are being developed as alternatives to traditional metal antennas and the associated metal connections and input electronic...

A three-dimensional (3D) defocusing liquid-crystal-particle thermometry and velocimetry (3DDLCPTV) system has been designed and constructed (but not yet operated) for use in...

An improved method has been devised for defending a server or other computer against a code-injection attack, in which an attacker exploits a hardware or software vulnerability to inject...

Briefs: Information Technology
Some Advances in Digital-Image Forensics

A program of research in the forensic analysis of digital images has yielded several proposed techniques for automated image-data processing to answer questions concerning the source, authenticity, and integrity of a given image or set of images. The need for such techniques arises because the ease with...

A method of parametric design of bodies having arbitrary three- dimensional shapes has been invented. The method is intended mainly for use in the design, analysis, and manufacture...

Briefs: Mechanical & Fluid Systems
Establishment of a Center for Defense Robotics

A document presents an overview of the recently established Joint Center for Unmanned Ground Vehicles (JC-UGV), located at the Army's Detroit Arsenal in Warren, Michigan. The JC-UGV is intended to become the central facility for managing all phases of the life cycles of military robotic ground...

Briefs: Information Technology
Development of Adaptive and Reflective Middleware

A report describes Phase II of the Adaptive and Reflective Middleware Systems (ARMS) program, which was focused on developing an adaptive and reflective network Quality-of-Service (QoS) infrastructure for the Total Ship Computing Environment (TSCE). Conceived for the next generation of Navy...

SAKOR Technologies, Okemos, MI, offers the Accudyne™ family of AC Motoring Dynamometers that are compatible with a range of testing applications including conventional engine and power-train systems, hybrid...

Products
Load Cells

Measurement Specialties, Hampton, VA, offers the Microfused™ line of load cells that allows design engineers to use direct force measurement in various OEM applications where the technology may previously have been too...

TT electronics IRC Advanced Film Division, Corpus Christi, TX, has qualified their thick film resistors to "R" level military requirements. Called the TMC Series, the general-purpose thick-film military chip resistors...

LMS, Leuven, Belgium, has introduced LMS Virtual.Lab Landing Gear simulation software that enables development teams to build aircraft landing gear models, simulate their real-life performance, and assess...

W.L. Gore, Elkton, MD, has introduced the GORE™ SKYFLEX® Aircraft Fuel Sealant that resists UV and aging and is designed for temperature applications up to 356 °F (180°C). The fuel sealant is a...

Polytech, Malmkoping, Sweden, has released the Cobolt 275 CG multi-sensor gimbal for airborne surveillance missions. The gimbal measures 11" in diameter and has a total mass of less than 12 kg, making it suitable for...

NASA's Dryden Flight Research Center, Edwards, CA, has partnered with General Atomics Aeronautical Systems, Inc. (GA-ASI) of San Diego, CA, to demonstrate technologies...

Articles: Aerospace
North Carolina Organization Fosters New Defense and Security Technologies

The Defense and Security Technology Accelerator (DSTA), located in Fayetteville, NC, is a new and innovative program designed to create collaborations with the military, entrepreneurs, and innovators to drive technology business development, technology commercialization,...

Progress has been made in research on several fronts in an effort to develop computational simulation capabilities for use in virtual design and testing of advanced structural materials. It...

Life tests have demonstrated the longevity of an electrostatically actuated capacitive switch of a microelectromechanical systems (MEMS) type suitable for handling radio signals having...

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